The present disclosure relates to a wireless battery management system, and more particularly, to a wireless battery management system, a node for wireless communication, and a method of transmitting data, which ensure stability and efficiency when obtaining battery data through wireless communication. A wireless battery management system includes a manager node obtaining battery data from a plurality of monitor nodes by using a first channel and a second channel which are communication channels based on wireless communication, a first monitor node collecting first battery data and transmitting the first battery data to the manager node through the first channel during a first dedicated slot, and a second monitor node collecting second battery data and transmitting the second battery data to the manager node through the second channel during the first dedicated slot.
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4. The wireless battery management system of claim 3, wherein the manager node changes the first channel to the third channel and changes the second channel to the fourth channel.
A wireless battery management system monitors and controls battery parameters in a distributed network of battery cells or modules. The system includes multiple manager nodes that communicate with battery cells or modules via wireless channels to collect data such as voltage, current, temperature, and state of charge. The system dynamically adjusts communication channels to avoid interference and ensure reliable data transmission. In this system, a manager node is configured to switch communication channels between a first and second channel to a third and fourth channel, respectively. This channel switching helps maintain stable communication links, especially in environments with high interference or when multiple manager nodes operate in close proximity. The system may also include features such as error detection, data aggregation, and remote monitoring to optimize battery performance and safety. The dynamic channel assignment ensures continuous and uninterrupted communication, improving the overall efficiency and reliability of the battery management system.
5. The wireless battery management system of claim 3, wherein the first monitor node and the second monitor node share the first dedicated slot, the second dedicated slot, and the third dedicated slot in a data frame including a plurality of time slots.
7. The manager node of claim 6, wherein the manager controller sets the first monitor node and the second monitor node to a group, sets a plurality of dedicated slots shared by the first monitor node and the second monitor node in a data frame having a certain time length, and assigns the set plurality of dedicated slots to the first monitor node and the second monitor node.
8. The manager node of claim 7, wherein the manager controller sets a channel of each dedicated slot for each monitor node so that different channels are used during a dedicated slot shared by the first monitor node and the second monitor node.
12. The manager node of claim 6, wherein the manager controller alternately sets a communication channel of the first wireless communication unit to the first channel and a third channel and alternately sets a communication channel of the second wireless communication unit to the second channel and a fourth channel.
This invention relates to wireless communication systems, specifically a manager node that dynamically adjusts communication channels to optimize data transmission. The problem addressed is maintaining reliable and efficient communication in environments where interference or congestion may occur on fixed channels. The manager node includes a manager controller and at least two wireless communication units. The manager controller alternately switches the communication channel of the first wireless communication unit between a first channel and a third channel. Simultaneously, it switches the communication channel of the second wireless communication unit between a second channel and a fourth channel. This alternating channel switching allows the manager node to dynamically adapt to changing network conditions, reducing interference and improving communication reliability. The manager node may also include a communication unit that receives data from a sensor node and transmits it to a gateway. The manager controller can adjust the communication channels based on signal quality, interference levels, or other performance metrics. By dynamically switching between multiple channels, the system ensures robust communication even in challenging environments. This approach is particularly useful in industrial, IoT, or sensor network applications where stable and efficient data transmission is critical.
14. The monitor node of claim 13, wherein, when the monitor controller fails in transmitting the battery data through the first channel, the monitor controller changes the communication channel of the wireless communication unit from the first channel to a second channel and retransmits the battery data to the manager node through the second channel during a second dedicated slot.
15. The monitor node of claim 13, wherein the monitor controller collects the battery data including one or more of a temperature, a current, a voltage, and diagnostic data of the battery module.
A system for monitoring battery modules in an energy storage system addresses the need for real-time performance tracking and fault detection to ensure safety and efficiency. The system includes a monitor node with a controller that collects detailed battery data, such as temperature, current, voltage, and diagnostic information. This data is used to assess the battery module's state, identify potential issues, and optimize charging or discharging processes. The monitor node may also communicate with other system components to coordinate actions based on the collected data, such as adjusting power flow or triggering alerts. By continuously analyzing these parameters, the system enhances reliability and extends the lifespan of the battery modules. The diagnostic data may include internal resistance, state of charge, or other health indicators, providing a comprehensive overview of the battery's condition. This approach ensures proactive maintenance and minimizes risks associated with battery degradation or failure. The system is particularly useful in applications requiring high reliability, such as electric vehicles, grid storage, or renewable energy systems.
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July 31, 2020
October 25, 2022
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